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arbusvar.h revision 1.3 
      1 /* $Id: arbusvar.h,v 1.3 2011/07/01 18:40:01 dyoung Exp $ */
      2 /*
      3  * Copyright (c) 2006 Urbana-Champaign Independent Media Center.
      4  * Copyright (c) 2006 Garrett D'Amore.
      5  * All rights reserved.
      6  *
      7  * This code was written by Garrett D'Amore for the Champaign-Urbana
      8  * Community Wireless Network Project.
      9  *
     10  * Redistribution and use in source and binary forms, with or
     11  * without modification, are permitted provided that the following
     12  * conditions are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above
     16  *    copyright notice, this list of conditions and the following
     17  *    disclaimer in the documentation and/or other materials provided
     18  *    with the distribution.
     19  * 3. All advertising materials mentioning features or use of this
     20  *    software must display the following acknowledgements:
     21  *      This product includes software developed by the Urbana-Champaign
     22  *      Independent Media Center.
     23  *	This product includes software developed by Garrett D'Amore.
     24  * 4. Urbana-Champaign Independent Media Center's name and Garrett
     25  *    D'Amore's name may not be used to endorse or promote products
     26  *    derived from this software without specific prior written permission.
     27  *
     28  * THIS SOFTWARE IS PROVIDED BY THE URBANA-CHAMPAIGN INDEPENDENT
     29  * MEDIA CENTER AND GARRETT D'AMORE ``AS IS'' AND ANY EXPRESS OR
     30  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     31  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     32  * ARE DISCLAIMED.  IN NO EVENT SHALL THE URBANA-CHAMPAIGN INDEPENDENT
     33  * MEDIA CENTER OR GARRETT D'AMORE BE LIABLE FOR ANY DIRECT, INDIRECT,
     34  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     35  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     36  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
     37  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     38  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     39  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     40  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     41  */
     42 
     43 #ifndef	_MIPS_ATHEROS_ARBUSVAR_H_
     44 #define	_MIPS_ATHEROS_ARBUSVAR_H_
     45 
     46 #include <sys/bus.h>
     47 
     48 struct arbus_attach_args {
     49 	const char	*aa_name;
     50 	bus_space_tag_t	aa_bst;
     51 	bus_dma_tag_t	aa_dmat;
     52 
     53 	bus_addr_t	aa_addr;
     54 	bus_size_t	aa_size;
     55 	int		aa_cirq;	/* cpu irq */
     56 	int		aa_mirq;	/* misc irq */
     57 };
     58 
     59 void arbus_init(void);
     60 bus_space_tag_t arbus_get_bus_space_tag(void);
     61 bus_dma_tag_t arbus_get_bus_dma_tag(void);
     62 
     63 void *arbus_intr_establish(int, int, int (*)(void *), void *);
     64 void arbus_intr_disestablish(void *);
     65 
     66 void com_arbus_cnattach(bus_addr_t, uint32_t);
     67 
     68 /*
     69  * These definitions are "funny".  To distinquish between
     70  * miscellaneous IRQs and global processor interrupts, we encode the
     71  * IRQ as (cpuirq) | ((miscirq) << 4).
     72  *
     73  * Note that these IRQs seem to be general on all AR531X based parts.
     74  */
     75 
     76 #define	ARBUS_IRQ_CPU_M		0xf
     77 #define	ARBUS_IRQ_CPU_S		0
     78 #define	ARBUS_IRQ_MISC_M	0xf0
     79 #define	ARBUS_IRQ_MISC_S	4
     80 #define	ARBUS_IRQ_CPU(x)	(((x) & ARBUS_IRQ_CPU_M) >> ARBUS_IRQ_CPU_S)
     81 #define	ARBUS_IRQ_MISC(x)	(((x) & ARBUS_IRQ_MISC_M) >> ARBUS_IRQ_MISC_S)
     82 #define	ARBUS_MAKE_IRQ(c,m)	\
     83 	(((c) << ARBUS_IRQ_CPU_S) | ((m) << ARBUS_IRQ_MISC_S))
     84 
     85 #define	ARBUS_IRQ_WLAN0		ARBUS_MAKE_IRQ(0,0)
     86 #define	ARBUS_IRQ_ENET0		ARBUS_MAKE_IRQ(1,0)
     87 #define	ARBUS_IRQ_ENET1		ARBUS_MAKE_IRQ(2,0)
     88 #define	ARBUS_IRQ_WLAN1		ARBUS_MAKE_IRQ(3,0)
     89 #define	ARBUS_IRQ_TIMER		ARBUS_MAKE_IRQ(4,0)
     90 #define	ARBUS_IRQ_AHBPERR	ARBUS_MAKE_IRQ(4,1)
     91 #define	ARBUS_IRQ_AHBDMAE	ARBUS_MAKE_IRQ(4,2)
     92 #define	ARBUS_IRQ_GPIO		ARBUS_MAKE_IRQ(4,3)
     93 #define	ARBUS_IRQ_UART0		ARBUS_MAKE_IRQ(4,4)
     94 #define	ARBUS_IRQ_UART0_DMA	ARBUS_MAKE_IRQ(4,5)
     95 #define	ARBUS_IRQ_WDOG		ARBUS_MAKE_IRQ(4,6)
     96 
     97 #endif /* _MIPS_ATHEROS_ARBUSVAR_H_ */
     98